Roofing-paper



UNITED STATES PATENT OFFICE.

IIENRY CUNNINGHAM, OF BATCIITOII N, ILLINOIS.

ROOFING-PAPER.

SPECIFICATION forming part. of Letters Patent No. 446,145,dateclFebruary 10, 1891.

Application filed December 9, 1890- Serial No. 374,081. (No specimens.)

To all whom/ it may concern.-

Be it known that I, HENRY CUNNINGHAM,

'of Batchtown, in the county of Calhoun and full, clear, and exactdescription of the invention,such as will enable others skilled in theart to which it pertains to make and use it, reference being had to theaccompany drawing, which forms part of this specification.

My invention relates to an improvement in roofing-paper; and it consistsin a composition composed of boiled linseed-oil and pulverized charcoal,which is applied to the paper, as will be more fully describedhereinafter.

In the manufacture of my new roofingpaper I take boiled linseed-oil andadd to it enough pulverized charcoal to form a composition like paint.The amount of charcoal may be varied, according to the thickness of themixture desired. This mixture of oil and :hardens the paper so that itis very durable,

and at the same time forms a thoroughly Water-proof coating therefor.

Having thus described my invention, I claim As a new article ofmanufacture,a roofingpaper having a coating of linseed-oil and charcoal,for the purpose described.

In testimony whereof I aflix my signature in p1 esence of two witnesses.

HENRY CUNNINGHAM.

Witnesses:

S. A. WHITE, W. W. BATOHELDER.

